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    题名: Analytical and Experimental Study of Recycling Baffled Double-Pass Solar Air Heaters with Attached Fins
    作者: Ho, Chii-Dong;Chang, Hsuan;Wang, Rei-Chi;Lin, Chun-Sheng
    贡献者: 淡江大學化學工程與材料工程學系
    关键词: heat-transfer efficiency;double-pass;solar air heater;fins attached;baffles
    日期: 2013-03-28
    上传时间: 2013-04-09 13:35:11 (UTC+8)
    出版者: Basel: MDPI AG
    摘要: The study of the heat transfer of solar air heaters with a new design using an absorbing plate with fins and baffles, which facilitate the recycling of flowing air, is reported. The mathematical formulation and analytical analysis for such a recyclic baffled double-pass solar air heater were developed theoretically. The performance of the device was studied experimentally as well. The theoretical predicted and experimental results were compared with another design, i.e., a downward-type single-pass solar air heater without recycle and double-pass operations reported in our previous work. Significant improvement in heat-transfer efficiency is achieved with the baffle and fin design due to the recycling heating and the extended heat transfer area. The effects of mass flow rate and recycle ratio on the heat-transfer efficiency enhancement as well as on the power consumption increment are also discussed.
    關聯: Energies 6(4), pp.1821-1842
    DOI: 10.3390/en6041821
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文


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